Solve each system by substitution.

6x - y + 2 z = 4

2 x + 3 y - 3 z = - 5

4 x + 2 y + 5 z = - 9

The ratio of men to women working for a company is 3 to 5. If there are 112 employees total, how many men work for this company?

A quadrilateral with exactly one pair of parallel sides is called a

Rick just sold a house for $150,000. He earns 3% commission, but has to provide 15% of what he makes to his broker. How much does he actually make off the sale?

In the 2008 election there were 28 "blue" states and 22 "red" states as fractions, in the lowest terms, of the total number of states and also as decimals

How do you change a decimal tenth to a decimal hundredth

2. Karin has 461 songs downloaded. Joe has 123 more songs downloaded than Karin. How many songs, s, does Joe have?

What is 2/5 of 7/10?

Equation: C + 5/9 (F - 32) What is the temperature in degrees Celsius for a temperature of 40F? Show Work and Explain. A) - 9 7/9 C B) 1 4/9 C C) 4 4/9 C D) 22 2/9 C

Which equation could be used to solve the question below? Kitty made b cups of dough. She divided the dough into 3 equal clumps. Each of the dough clumps doubled in size. Now, each clump is made of 4 cups of dough.

30 is 50% 0f what number